
STEEL BOILER AND SUPERHEATER TUBES - SPECIFICATION FOR LOW TENSILE CARBON STEEL TUBES WITHOUT SPECIFIED ELEVATED TEMPERATURE PROPERTIES
出版:British Standards Institution

专家解读视频
Describes requirements for plain end, seamless and welded, low tensile carbon steel tubes, not exceeding 127 mm outside diameter and not exceeding 12.5 mm thickness for use in boilers and superheaters. Only one grade of steel is included and is designated 320. Covers information to be supplied by the purchaser and options to be documented, manufacture of the steel, manufacture of the product, chemical analysis, final supply conditions, mechanical properties, visual inspection and appearance, tolerances, tests, number, selection and preparation of samples and test pieces, test methods, retests, test certificate, protective coating and marking.
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